ATZB-X0-256-4-0-C [ZigBit 900 MHz Wireless Modules]
10
3.1.4
ATXMEGA256A3U Microcontroller Characteristics
Table 3-5.
ATXMEGA256A3U Characteristics.
Parameter
Condition
Range
Unit
On-chip flash memory size
256K
Bytes
On-chip RAM size
16K
Bytes
On-chip EEPROM size
4K
Bytes
Operation frequency
16
MHz
3.1.5
Module Interfaces Characteristics
Table 3-6.
Module Interfaces Characteristics
(1)
.
Parameters
Condition
Range
Unit
UART maximum baud rate
115.2
Kbps
ADC conversion time (latency)
(RES+2)/2+(GAIN !=0)
RES (Resolution) = 8 or
12
5-8
Clk
ADC
cycles
ADC input resistance
Static load resistor of
input signal
4.0
k
Ω
ADC reference voltage (VREF)
1.0 to AVcc
– 0.6
V
ADC input voltage
0 - AVDD
V
TWI maximum clock
400
kHz
GPIO High level input voltage
Vcc = 2.7-3.6V
2 to Vcc+0.3
V
GPIO Low level input voltage
Vcc = 2.7-3.6V
-0.3 to 0.3 V
DD
V
GPIO High level output voltage V
OH
Vcc = 3.0-3.6V
2.4 to 0.94Vcc
V
GPIO Low level output voltage V
OL
Vcc = 3.0-3.6V
0.05Vcc typ
Max 0.4
V
Real-time oscillator frequency
32.768
kHz
Note 1: For detailed characteristics, please refer [1].
3.2
Physical/environmental characteristics and outline
Table 3-7.
Physical characteristics.
Parameters
Value
Comments
Size
38.5 x 20.0 mm
Operating temperature range
-40°C to +85°C
-40°C to +85°C operational
